Use a direct include of strings headers in ipc/, jingle/, media/.

media/ffmpeg/ffmpeg_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // ffmpeg_unittests verify that the parts of the FFmpeg API that Chromium uses
 // function as advertised for each media format that Chromium supports.  This
 // mostly includes stuff like reporting proper timestamps, seeking to
 // keyframes, and supporting certain features like reordered_opaque.
 //
 
 #include <limits>
 #include <queue>
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/perftimer.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/test/perf_test_suite.h"
 #include "media/base/media.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 #include "media/filters/ffmpeg_glue.h"
 #include "media/filters/in_memory_url_protocol.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 int main(int argc, char** argv) {
   return base::PerfTestSuite(argc, argv).Run();
 }
@@ skipping 550 matching lines @@
   EXPECT_TRUE(StepDecodeVideo());
   VLOG(1) << decoded_video_time();
 
   SeekTo(0.4);
   ReadRemainingFile();
   EXPECT_TRUE(StepDecodeVideo());
   VLOG(1) << decoded_video_time();
 }
 
 }  // namespace media